How to Draw a Realistic Eye Using the MONO Drawing Pencil Set 3

Hey everyone, Katie here from Studio Katie! Today I’m walking you through how to draw a realistic eye using nothing but pencils — the same doodle I reach for anytime I’m on the phone or waiting for my computer to catch up. Eyes look intimidating at first, but broken into stages they’re one of the most satisfying things you can sketch, and you don’t need any drawing experience to finish one today.

That’s the short version. Below, you’ll find the full walkthrough — the anatomy worth understanding before you start, the materials I use, eight steps from a blank page to a finished eye, tips for keeping it realistic, why the exercise is worth practicing on its own, and answers to the questions beginners ask most.

Quick answer

To draw a realistic eye: lightly sketch the almond-shaped outline in pencil, then add a circular iris and pupil inside it, leaving a small highlight for light. Draw the eyelids, a crease above the lid and the tear duct, then add eyelashes that fan outward and vary in thickness. Darken the pupil, add radial lines to the iris, tone the sclera so it isn’t stark white, then deepen the shadows and lift highlights with an eraser.

 

Time: 45–60 minutes. Skill level: Beginner. Cost: Under $30 in supplies.

Eye Anatomy for Artists: What to Know Before You Start

Before you sketch a single line, it helps to know what you’re actually looking at. A realistic eye isn’t just an oval with a circle in it — it’s a small, three-dimensional structure with several distinct parts, and getting their relationship right is what separates a proportional, lifelike drawing from a flat one.

• Sclera: The white of the eye — though it’s rarely pure white in a real drawing; a touch of shading keeps it from looking flat.
• Iris & Pupil: The colored ring and the dark center that controls how much light enters. The iris typically makes up about a third of the visible eyeball.
• Cornea: The clear, domed surface over the iris and pupil — it’s what creates the glassy highlight artists rely on for realism.
• Eyelids: Upper and lower, shaping the eye and often catching a subtle shadow where they meet the eyeball.
• Eyelashes: Curved hairs framing the eye, denser on the upper lid than the lower.
• Tear Duct: The small pink structure in the inner corner — easy to skip, but it’s what keeps an eye from looking generic.

Skipping this step is one of the biggest reasons eye drawings end up looking flat or cartoonish — understanding the structure first means every mark you make afterward has a reason behind it.

Materials Needed

Before starting, gather the right tools to achieve a professional-quality sketch:

Tombow MONO Drawing Pencil Set (grades 4H to 6B)

This set spans every value from a barely-there guideline to a true black, so you’re not hunting for individual grades mid-drawing

High-quality, smooth sketch paper

A tight tooth keeps graphite from catching, which matters most when you’re blending soft gradients across the iris and sclera.

Tombow MONO Zero Eraser for precision erasing

Its fine tip lifts graphite from a single point — the only way to get a crisp, pinprick highlight instead of a smudged one.

Blending stump or cotton swabs for smooth gradients

Turns individual pencil strokes into smooth gradients instead of visible hatching.

Ruler and compass for accurate measurements

Keeps the eye’s width, height and iris placement symmetrical — especially useful if you’re drawing a matching pair.

How to Draw a Realistic Eye: 8 Steps

Step 1: Sketch the Basic Almond Shape

Use a 2H pencil to lightly outline the almond shape of the eye — light enough that you can erase it later without a trace. Measure the width and height as you go rather than eyeballing it; even a slightly uneven outline throws off everything you draw inside it. Add a light horizontal guideline through the center to help you place the iris and pupil evenly.

Step 2: Draw the Iris and Pupil

Sketch a circle for the iris, centered on your guideline, then a smaller circle inside it for the pupil. As a rule of thumb, the iris takes up roughly a third of the total eyeball, though only part of it shows between the eyelids — that’s normal, not a mistake. Leave a small, irregular white shape inside the pupil for the catchlight; this is the single highlight that will make the whole eye read as glossy and alive.

Step 3: Add the Eyelids and Tear Duct

Draw the upper and lower eyelids, paying attention to their thickness — the upper lid is usually thicker and casts a soft shadow onto the eyeball just beneath it. Add a subtle crease above the upper lid to suggest the fold of skin, and sketch the tear duct at the inner corner with soft, rounded edges rather than a hard point.

Step 4: Draw Realistic Eyelashes

Switch to a 4B pencil and sketch the eyelashes with a natural curve rather than straight lines. Vary the length and thickness as you go — no two lashes should look identical. Fan them slightly outward from the lash line instead of drawing them all parallel; that small variation is what separates realistic lashes from a row of straight sticks. Upper lashes should be denser and darker than the lower ones, which are finer and more sparse.

Step 5: Shade the Pupil and Iris

Darken the pupil with a 6B pencil for a deep, near-black tone. Add short radial lines outward from the pupil into the iris using a 2B pencil to mimic the eye’s natural fiber pattern, then blend softly with a blending stump so the lines fade into a gradient rather than staying as harsh scratches.

Learn more about the different values included in Tombow’s MONO Drawing Pencil Set and how to use them in this post!

Step 6: Render the Sclera (Eye White)

Lightly shade the sclera with an H pencil — resist the urge to leave it pure white paper, since a real sclera is closer to a soft gray, and a flat white patch is one of the fastest ways to make an eye look artificial. Add subtle shadows where the upper eyelid casts onto the eyeball, and darken the corners slightly where the eye recedes.

Step 7: Build Depth with Shadows and Highlights

Deepen the shadows under the upper eyelid and in the inner and outer corners with a 4B pencil — this is what gives the eye its sense of roundness rather than looking painted onto a flat surface. Then use the Tombow MONO Zero Eraser to lift graphite in small, precise spots, creating natural highlights on the eyelid and the edge of the iris.

Step 8: Refine the Final Details

Step back and check for spots that need more shading or a softer transition between tones. Clean up any stray marks with the MONO Zero Eraser, and compare your drawing to your reference one more time before calling it finished — small adjustments at this stage do more for realism than any single earlier step.

Tips for a More Realistic Eye

• Use real-life references or high-quality photos rather than other people’s drawings — copying a drawing copies its mistakes along with its style.
• Vary your pencil pressure deliberately. A dynamic range of tones, from a near-white highlight to a true black pupil, is what makes an eye look three-dimensional instead of flat.
• Step back from the page regularly to check proportions — mistakes that are invisible up close are often obvious from a few feet away.
• Don’t skip shading the sclera. It’s the step beginners ignore most often, and it’s usually the reason a finished eye still looks slightly off.
• Work from general to specific. Block in the overall shapes and values first, then tighten details like individual lashes and skin texture last.

Why Practicing Eyes Makes You a Better Artist

Eyes are one of the most useful things you can practice on their own — and not just because they’re satisfying to finish in one sitting.

• It sharpens your value control. Fitting a full range from a bright highlight to a near-black pupil into a couple of square inches trains your eye for subtler contrast everywhere else in a drawing.
• It makes every portrait more expressive. The eye carries most of a face’s emotion, so getting it right is often what makes a portrait look “alive” rather than just accurate.
• It builds transferable shading skills. The blending, layering and eraser-highlighting techniques here work exactly the same way on skin, fabric or glass.
• It rewards patience over speed. Small, deliberate marks consistently outperform fast ones — a useful habit for any subject, not just eyes.

Realistic Eye Drawing FAQs

How do you draw a realistic eye step by step?

Start with a light pencil outline of the almond shape, then add the iris and pupil with a small highlight left blank. Draw the eyelids, crease and tear duct, then add eyelashes that fan outward and vary in thickness. Shade the pupil darkest, add radial lines to the iris, tone the sclera so it isn’t stark white, then deepen the shadows and lift highlights with an eraser to finish.

What pencils are best for drawing eyes?

A set that spans several grades works best, since an eye needs everything from a barely visible guideline to a true black pupil in the same small area. The Tombow MONO Drawing Pencil Set covers 4H through 6B in one box, which is enough range for guidelines, mid-tones and deep shadows without switching brands mid-drawing.

Why does my eye drawing look flat?

The two most common causes are a pure-white sclera and a missing highlight. Real sclera is closer to a soft gray, so leaving it as blank white paper flattens the whole drawing. A single, deliberate highlight left blank in the pupil, plus a subtle one on the iris edge, does more to create the illusion of a glossy, three-dimensional eyeball than any other single fix.

Should you shade the white part of the eye?

Yes. The sclera is rounded, not flat, and it sits inside a socket that casts soft shadows onto it — especially from the upper eyelid. A light gray tone with slightly deeper shading near the eyelids and corners reads as far more realistic than leaving it pure white.

What’s the correct proportion for drawing an eye?

A useful reference point: the visible width of one eye is roughly equal to the space between the two eyes on a face. Within the eye itself, the iris generally takes up about a third of the total eyeball, though the eyelids cover part of it, so only a portion is visible when the eye is open normally.

How long does it take to draw a realistic eye?

A first attempt with the full 8-step process, including shading, typically takes 45 to 90 minutes. More detailed, hyper-realistic renderings with fine skin texture and multiple shading passes can take several hours.

What’s the difference between drawing a realistic eye and a cartoon or anime eye?

A realistic eye follows actual anatomy — a proportional almond shape, a gray-toned sclera, and shading that mimics how light falls on a rounded surface. Cartoon and anime eyes exaggerate or simplify those same parts, often enlarging the iris, simplifying the eyelid crease, or flattening the shading into two or three tones, for stylistic effect rather than anatomical accuracy.

Do you need to draw a whole face to practice drawing eyes?

No. Eyes are commonly practiced as a standalone exercise, which is one of the reasons they’re such a popular subject for quick sketches and doodles. Once you’re comfortable with the shape, shading and eyelash technique on their own, placing an eye correctly within a full face becomes much easier.

More Drawing Tutorials from Tombow

• MONO Drawing Pencil Set Basics — a deeper look at the same pencil set used in this tutorial.
• Whimsical Doodles with Tombow MONO Drawing Pens — for practicing similar mark-making and shading habits on a looser subject.

Now Go Draw One

Thanks so much for spending some time here today! I hope this guide takes the mystery out of how to draw a realistic eye and gets you started on your first one. Share your finished drawing when you’re done — I’d love to see it.

For more tutorials like this, follow Studio Katie and purchase the Tombow MONO Drawing Pencil Set to build out your art supply stash.